[HN Gopher] A Tale of a Trailing Dot (2022)
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       A Tale of a Trailing Dot (2022)
        
       Author : dcminter
       Score  : 19 points
       Date   : 2025-05-13 15:24 UTC (2 days ago)
        
 (HTM) web link (daniel.haxx.se)
 (TXT) w3m dump (daniel.haxx.se)
        
       | recursive wrote:
       | > The cookie spec RFC 6265 section 5.1.2 defines the host name in
       | a way that makes it ignore trailing dots. Cookies set for a
       | domain with a dot are valid for the same domain without one and
       | vice versa.
       | 
       | Well... that's not what the browsers do. If you're logged in to
       | HN, try it now. Add a dot to the host name. Cookie is gone.
       | Remove the dot. It's back.
        
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       (page generated 2025-05-15 23:00 UTC)